func (lb *ListenerBuilder) GetDestinationCluster(destination *networking.Destination, service *model.Service, listenerPort int) string {
	dir, subset, port := model.TrafficDirectionInboundVIP, "http", listenerPort
	if destination.Subset != "" {
		subset += "/" + destination.Subset
	}
	if destination.GetPort() != nil {
		port = int(destination.GetPort().GetNumber())
	} else if service != nil && len(service.Ports) == 1 {

			"testdata/destinationrule-simple-destination.yaml",
		},
		analyzer: &destinationrule.CaCertificateAnalyzer{},
		expected: []message{
			{msg.NoServerCertificateVerificationDestinationLevel, "DestinationRule db-tls"},
		},
	},
	{
		name: "destinationrule with no cacert, mutual at destinationlevel",
		inputFiles: []string{
			"testdata/destinationrule-mutual-destination.yaml",
		},

			dstOpts.IndexCB = compressionIndexEncrypter(objectEncryptionKey, dstOpts.IndexCB)
		}
	}

	srcInfo.PutObjReader = pReader
	copyObjectPart := objectAPI.CopyObjectPart

	// Copy source object to destination, if source and destination
	// object is same then only metadata is updated.
	partInfo, err := copyObjectPart(ctx, srcBucket, srcObject, dstBucket, dstObject, uploadID, partID,
		startOffset, length, srcInfo, srcOpts, dstOpts)